{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98819",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.371Z",
        "datePublished": "2026-10-18T15:49:11.226Z",
        "dateUpdated": "2026-10-21T12:57:12.654Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-21T12:57:12.654Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel: validate DDC record lengths\n\nParse DDC record lengths in unsigned storage so 0xFF does not wrap.\nReject records smaller than the mandatory three-byte header, records\nexceeding U8_MAX, and records exceeding remaining firmware bytes before\nissuing Intel_Write_DDC.\n\nThis issue was reported by Claude Mythos."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/bluetooth/btintel.c"
                    ],
                    "versions": [
                        {
                            "version": "145f2368c5fd7962e37315ccc092670743019d08",
                            "lessThan": "7df748aa9f9ecab514e5989ed89c9ba35b6e5574",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "145f2368c5fd7962e37315ccc092670743019d08",
                            "lessThan": "069031f569f1681f17e863f48c221a6091b47850",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "145f2368c5fd7962e37315ccc092670743019d08",
                            "lessThan": "b0fce76873a5e6a6820354409b26693ac5f8b251",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "145f2368c5fd7962e37315ccc092670743019d08",
                            "lessThan": "f3617369fbb30a4d2e54841ab8e92ca4fa211e56",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "145f2368c5fd7962e37315ccc092670743019d08",
                            "lessThan": "c9c15d4d8956df8c564f7c210e4dc5b9b820d97a",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/bluetooth/btintel.c"
                    ],
                    "versions": [
                        {
                            "version": "4.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.113",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.56",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.10",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4",
                                    "versionEndExcluding": "6.6.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4",
                                    "versionEndExcluding": "6.12.113"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4",
                                    "versionEndExcluding": "6.18.56"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4",
                                    "versionEndExcluding": "7.2.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7df748aa9f9ecab514e5989ed89c9ba35b6e5574"
                },
                {
                    "url": "https://git.kernel.org/stable/c/069031f569f1681f17e863f48c221a6091b47850"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b0fce76873a5e6a6820354409b26693ac5f8b251"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f3617369fbb30a4d2e54841ab8e92ca4fa211e56"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c9c15d4d8956df8c564f7c210e4dc5b9b820d97a"
                }
            ],
            "title": "Bluetooth: btintel: validate DDC record lengths",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}